Roll src/third_party/depot_tools 42a51f6af195..906bfde9b6e2 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/42a51f6af195..906bfde9b6e2

git log 42a51f6af195..906bfde9b6e2 --date=short --first-parent --format='%ad %ae %s'
2020-01-31 sokcevic@google.com Use logger where unit test has coverage

Created with:
  gclient setdep -r src/third_party/depot_tools@906bfde9b6e2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/depot-tools-chromium-autoroll
Please CC agable@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: agable@chromium.org
Change-Id: I2a73a1c83c82a484c40f9a285677d27676abaec4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033946Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#737551}

DEPS

@@ -900,7 +900,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '42a51f6af195c48e9cc5ff2d03339266cd36ae99',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '906bfde9b6e2f461f4350a274fe6e53bd5898612',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),